19-epi-dianemycin and process therefor
CA 1214414 A · Owner: Pfizer Limited · Inventors: Ruddock, John C.; Tone, Junsuke; Celmer, Walter D.
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
l9-EPI--DIANEMYCIN AND PROCESS THEREFOR Abstract, Antibiotic 19-epi-dianemycin process for its, preparation by fermenting a new strain of Streptomyces hygroscopicus, and isolation from the fermentation broth; and its use as an anticoccidial agent and antibacterial agent against gram-positive bacteria.
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Listed from its CIPO record in Patent Yard's archive of Canadian patents past their term. Its claims, description and drawings are in the CIPO record and on Google Patents, and the Claude kit works from them.
Why it's free to use
- Granted November 25, 1986. A Canadian patent filed before October 1, 1989 lasted 17 years from grant, so its term ended November 25, 2003.
- We check Canadian rights only. A patent in its family in another country could still be in force: check its family on Google Patents.
Timeline
Timeline From CIPO dates
Sources & verification
Official CIPO records
Everything on this page comes from the CIPO record linked above. Contains information licensed under the Open Government Licence – Canada.